{"id":1207,"date":"2024-04-10T19:39:23","date_gmt":"2024-04-10T18:39:23","guid":{"rendered":"https:\/\/dev-merck-ml.digitasproject.com\/pt\/?p=1207"},"modified":"2024-04-10T19:39:25","modified_gmt":"2024-04-10T18:39:25","slug":"o-papel-dos-exames-na-avaliacao-da-tiroide","status":"publish","type":"post","link":"https:\/\/dev-merck-ml.digitasproject.com\/pt\/o-papel-dos-exames-na-avaliacao-da-tiroide\/","title":{"rendered":"O papel dos exames na avalia\u00e7\u00e3o da tiroide"},"content":{"rendered":"\n<h4 class=\"wp-block-heading\">Para avaliar a sa\u00fade da tiroide e fazer o diagn\u00f3stico dos dist\u00farbios que acometem a pequena gl\u00e2ndula em forma de borboleta, os m\u00e9dicos recorrem com frequ\u00eancia a exames, que podem ser de sangue ou de imagem. Uns mais rotineiros do que os outros, s\u00e3o essenciais para um diagn\u00f3stico que se quer cada vez mais precoce.<\/h4>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>Quando se trata dos exames de sangue, feitos a pedido dos m\u00e9dicos, estes t\u00eam como objetivo verificar a fun\u00e7\u00e3o da tiroide e avaliar o seu funcionamento, podendo incluir uma avalia\u00e7\u00e3o dos n\u00edveis da hormona estimulante da tiroide (TSH),&nbsp;produzida pela hip\u00f3fise e que atua na tiroide, promovendo <a>nesta a<\/a> secre\u00e7\u00e3o de hormonas. Quando a TSH est\u00e1 elevada, costuma traduzir a exist\u00eancia de um hipotiroidismo (tiroide hipoativa): a tiroide n\u00e3o produz hormonas suficientes e, por isso mesmo, a hip\u00f3fise vai continuar a produzir e liberar TSH no sangue.<\/p>\n\n\n\n<p>J\u00e1 quando a TSH apresenta valores abaixo do considerado normal, isso costuma significar a presen\u00e7a de hipertiroidismo ou tiroide hiperativa: a tiroide produz muitas hormonas, pelo que a hip\u00f3fise para de produzir e libertar TSH no sangue.<\/p>\n\n\n\n<p>Mas se, por outro lado, os resultados do teste de TSH forem normais, ser\u00e3o necess\u00e1rias outras an\u00e1lises para encontrar a causa do problema. E isso pode passar pela verifica\u00e7\u00e3o dos n\u00edveis de T3, a tri-iodotironina, ou de T4, a tiroxina, ambas hormonas produzidas pela tiroide e libertadas na circula\u00e7\u00e3o sangu\u00ednea, que desempenham fun\u00e7\u00f5es essenciais no organismo (est\u00e3o, por exemplo, associadas ao crescimento e \u00e0 regula\u00e7\u00e3o do metabolismo em geral).&nbsp;<\/p>\n\n\n\n<p><strong>Exames de imagem<\/strong><\/p>\n\n\n\n<p>Para o diagn\u00f3stico de dist\u00farbios da tiroide, h\u00e1 tamb\u00e9m exames de imagiologia, realizados pelo radiologista, um m\u00e9dico especializado que analisa as imagens e envia um relat\u00f3rio para que o m\u00e9dico assistente possa depois apresentar o resultado ao doente.&nbsp;<\/p>\n\n\n\n<p>Falamos das ecografias, o exame de imagem mais frequentemente utilizado, que se destina a avaliar o estado da tiroide, seja para procurar n\u00f3dulos ou para os observar mais de perto, o que pode ajudar o m\u00e9dico a determinar qual a probabilidade destes serem cancer\u00edgenos.<\/p>\n\n\n\n<p>E falamos tamb\u00e9m da tomografia, destinada a observar o tamanho, a forma e a posi\u00e7\u00e3o da gl\u00e2ndula da tiroide, um exame que recorre a uma pequena quantidade de iodo radioativo para ajudar, uma vez mais, a avaliar a sa\u00fade desta gl\u00e2ndula.<\/p>\n\n\n      <section class=\"reference-content\">\n        <div class=\"ref-header\">\n          <a class=\"collapsed\" data-toggle=\"collapse\" href=\"#collapseExample\" role=\"button\" aria-expanded=\"false\" aria-controls=\"collapseExample\">\n            <i class=\"fas\"><\/i>\n            Refer\u00eancias          <\/a>\n        <\/div>\n        <div class=\"collapse content-collapse\" id=\"collapseExample\">\n          <div class=\"row\">\n            <div class=\"col-12 text-reference\">\n              <ol>\n<li><a href=\"https:\/\/www.niddk.nih.gov\/health-information\/diagnostic-tests\/thyroid\">https:\/\/www.niddk.nih.gov\/health-information\/diagnostic-tests\/thyroid<\/a>\u00a0<\/li>\n<li><a href=\"https:\/\/spmr.pt\/23-repropedia\/h\/229-hormona-tireo-estimulante\">https:\/\/spmr.pt\/23-repropedia\/h\/229-hormona-tireo-estimulante<\/a>\u00a0<\/li>\n<li><a href=\"http:\/\/www.metis.med.up.pt\/index.php\/Altera%C3%A7%C3%B5es_funcionais_da_tir%C3%B3ide\">http:\/\/www.metis.med.up.pt\/index.php\/Altera%C3%A7%C3%B5es_funcionais_da_tir%C3%B3ide<\/a><\/li>\n<\/ol>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/section>\n","protected":false},"excerpt":{"rendered":"<p>Para avaliar a sa\u00fade da tiroide e fazer o diagn\u00f3stico dos dist\u00farbios que acometem a pequena gl\u00e2ndula em forma de borboleta, os m\u00e9dicos recorrem com frequ\u00eancia a exames, que podem ser de sangue ou de imagem. Uns mais rotineiros do que os outros, s\u00e3o essenciais para um diagn\u00f3stico que se quer cada vez mais precoce.<\/p>\n","protected":false},"author":1,"featured_media":1208,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[10],"tipo":[],"class_list":["post-1207","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias","tag-ultimas-noticias"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>O papel dos exames na avalia\u00e7\u00e3o da tiroide - Thyroid Pt<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dev-merck-ml.digitasproject.com\/pt\/o-papel-dos-exames-na-avaliacao-da-tiroide\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"O papel dos exames na avalia\u00e7\u00e3o da tiroide - Thyroid Pt\" \/>\n<meta property=\"og:description\" content=\"Para avaliar a sa\u00fade da tiroide e fazer o diagn\u00f3stico dos dist\u00farbios que acometem a pequena gl\u00e2ndula em forma de borboleta, os m\u00e9dicos recorrem com frequ\u00eancia a exames, que podem ser de sangue ou de imagem. 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